Main CellSPU backend files checked in. Intrinsics and autoconf files

remain.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44595 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 95 insertions, 0 deletions

diff --git a/lib/Target/CellSPU/SPUTargetMachine.h b/lib/Target/CellSPU/SPUTargetMachine.h
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+++ b/lib/Target/CellSPU/SPUTargetMachine.h
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+//===-- SPUTargetMachine.h - Define TargetMachine for Cell SPU ----*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by a team from the Computer Systems Research
+// Department at The Aerospace Corporation.
+//
+// See README.txt for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the CellSPU-specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SPU_TARGETMACHINE_H
+#define SPU_TARGETMACHINE_H
+
+#include "SPUSubtarget.h"
+#include "SPUInstrInfo.h"
+#include "SPUISelLowering.h"
+#include "SPUFrameInfo.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetData.h"
+
+namespace llvm {
+class PassManager;
+class GlobalValue;
+class TargetFrameInfo;
+
+/// SPUTargetMachine
+///
+class SPUTargetMachine : public LLVMTargetMachine {
+  SPUSubtarget        Subtarget;
+  const TargetData    DataLayout;
+  SPUInstrInfo        InstrInfo;
+  SPUFrameInfo        FrameInfo;
+  SPUTargetLowering   TLInfo;
+  InstrItineraryData  InstrItins;
+  
+protected:
+  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+  
+public:
+  SPUTargetMachine(const Module &M, const std::string &FS);
+
+  /// Return the subtarget implementation object
+  virtual const SPUSubtarget     *getSubtargetImpl() const {
+    return &Subtarget;
+  }
+  virtual const SPUInstrInfo     *getInstrInfo() const {
+    return &InstrInfo;
+  }
+  virtual const TargetFrameInfo  *getFrameInfo() const {
+    return &FrameInfo;
+  }
+  /*!
+    \note Cell SPU does not support JIT today. It could support JIT at some
+    point.
+   */
+  virtual       TargetJITInfo    *getJITInfo() {
+    return NULL;
+  }
+  
+  //! Module match function
+  /*!
+    Module matching function called by TargetMachineRegistry().
+   */
+  static unsigned getModuleMatchQuality(const Module &M);
+
+  virtual       SPUTargetLowering *getTargetLowering() const { 
+   return const_cast<SPUTargetLowering*>(&TLInfo); 
+  }
+
+  virtual const MRegisterInfo *getRegisterInfo() const {
+    return &InstrInfo.getRegisterInfo();
+  }
+  
+  virtual const TargetData *getTargetData() const {
+    return &DataLayout;
+  }
+
+  virtual const InstrItineraryData getInstrItineraryData() const {  
+    return InstrItins;
+  }
+  
+  // Pass Pipeline Configuration
+  virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
+  virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
+                                  std::ostream &Out);
+};
+
+} // end namespace llvm
+
+#endif